The point of this exercise is not to practice your usage of the pencil or how to move your hand.

这个练习的精髓在于：不是在练习怎样用你手中的笔，或者怎样动你的手。

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A pointer helps with control because instead of just using your eyes, you can physically move your hand to adjust your reading speed.

阅读时使用指针可以帮你很好地控制速度。

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For example, when you touch the hot stove, not only does a message go out to move your hand but one also goes to another part of the brain to help you remember not to do that again.

比如当你碰到热火炉时，除了有信号传出让你挪开手外，还有信号会传向脑中另一区域让你记住这次教训。

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Move your hand position, or get a case which covers that part of the phone, thus breaking contact.

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However, we can say that the form factor does cause you to move your hand and wrist quite a bit as well as hold the mouse in a much more natural and laid-back position.

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You'll begin your move and when you fully extend, explosive express thrust, release the shot out of your hand, you'll exclaim your key word once.

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